Institute for Social and Preventive Medicine (ISPM), University of Bern, Switzerland; Graduate School for Health Sciences, University of Bern, Switzerland.
Institute for Social and Preventive Medicine (ISPM), University of Bern, Switzerland; MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK.
J Environ Radioact. 2021 Jul;233:106571. doi: 10.1016/j.jenvrad.2021.106571. Epub 2021 Mar 23.
The geographic variation of terrestrial radiation can be exploited in epidemiological studies of the health effects of protracted low-dose exposure. Various methods have been applied to derive maps of this variation. We aimed to construct a map of terrestrial radiation for Switzerland. We used airborne γ-spectrometry measurements to model the ambient dose rates from terrestrial radiation through a Bayesian mixed-effects model and conducted inference using Integrated Nested Laplace Approximation (INLA). We predicted higher levels of ambient dose rates in the alpine regions and Ticino compared with the western and northern parts of Switzerland. We provide a map that can be used for exposure assessment in epidemiological studies and as a baseline map for assessing potential contamination.
陆地辐射的地理变异可用于研究长期低剂量接触对健康影响的流行病学研究。已经应用了各种方法来绘制这种变化的地图。我们旨在为瑞士构建一张陆地辐射地图。我们使用机载γ谱测量来通过贝叶斯混合效应模型模拟陆地辐射的环境剂量率，并使用集成嵌套拉普拉斯逼近法（INLA）进行推断。我们预测阿尔卑斯地区和提契诺州的环境剂量率比瑞士西部和北部高。我们提供了一张可用于流行病学研究中的暴露评估的地图，并作为评估潜在污染的基线地图。
